No. 10: John and Julie Mork

Donors’ background: John Mork is chief executive of Energy Corporation of America, an oil and natural-gas exploration and development company in Denver.

Mr. Mork, 63, and his wife, Julie, pledged $110-million to the University of Southern California, in Los Angeles, to support merit scholarships. A payment schedule was not available. Mr. Mork, who has served on the university’s Board of Trustees since 2006, earned a bachelor’s degree in petroleum engineering from the university in 1970. The couple’s daughter, Alison, and son, Kyle, are also university alumni. In 2006, the Morks gave the university $15-million.